Simplifying Algebraic Expressions for 7th Graders

What does a term in an algebraic expression represent?

• A mathematical operation like addition or subtraction

• A coefficient

• A combination of numbers and variables

• A constant value that does not change

What is the coefficient in the term '6x'?

• x

• 6

• -6

• 0

Which term represents a constant?

• -5

• 2y

• x

• 3xy

What is essential to consider when identifying like terms?

• The variables

• The arithmetic operations

• The coefficients

• The constants

How do you combine '5x' and '7x'?

• 12x

• 2x

• 35x

• 5x + 7x

What property allows you to rearrange terms '5x' and '7x'?

• Identity

• Associative

• Commutative

• Distributive

What is the result of simplifying '3 + 4' in an expression?

• 7

• 1

• 3x + 4x

• 12

What does distributing '-3' across 'x' and '-2y' result in?

• 3x + 6y

• 3x - 6y

• -3x - 6y

• -3x + 6y

What is the simplified form of '12y - 3x' when terms are rearranged?

• 9x

• 15y

• 3x - 12y

• 12y - 3x

What happens if you incorrectly move signs with numbers in algebraic expressions?

• The variables disappear

• The expression becomes a constant

• The expression simplifies correctly

• The value of the expression changes